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crypto: omap-aes - don't treat NULL clk as an error 

clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock.  clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-and-tested-by: Tobias Karnat <tobias.karnat@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jamie Iles 2011-01-29 15:57:32 +11:00 committed by Herbert Xu
parent 18c0ebd2d8
commit 3e50191d98
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/omap-aes.c
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@ -839,9 +839,9 @@ static int omap_aes_probe(struct platform_device *pdev)
/* Initializing the clock */
dd->iclk = clk_get(dev, "ick");
if (!dd->iclk) {
if (IS_ERR(dd->iclk)) {
dev_err(dev, "clock intialization failed.\n");
err = -ENODEV;
err = PTR_ERR(dd->iclk);
goto err_res;
}